Other legislation and procurement requirements apply to the TTP as shown in the following table:
| Legislation, regulation or other requirement | Applies to Tribes under self-  determination contracts  | 
          Applies to Tribes under self-  governance agreements  | 
          Applies to Tribes under BIA or FHWA program agreements | Applies to  activities performed by the Secretary  | 
        
|---|---|---|---|---|
| Buy Indian Act | No | No | No | Yes. | 
| Buy American Act | No | No | No | Yes. | 
| Federal Acquisition Regulation (FAR) | No(a) | No | No | Yes. | 
| Federal Tort Claims Act | Yes | Yes | Yes | Yes. | 
| Davis-Bacon Act | Yes(b) | Yes(b) | Yes(b) | Yes. |